HSN Codes · Chapter 28: Inorganic Chemicals

HSN Code 28353100

Sodium triphosphate (sodium tripoly-phosphate)

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

8-digit

Tariff item

Reading code 28353100

The first two digits (28) place this code in chapter 28 — Inorganic Chemicals. Heading 2835 groups the product family, and the remaining digits pin down this specific 8-digit classification. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

Industrial inorganic chemicals — acids, alkalis, oxides, and salts — plus compounds of precious and rare-earth metals.

Parent heading

2835 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined

Related codes in heading 2835

  • 28351010 — Phosphinates (hypophosphites) and phosphonates (phosphites) — calcium hypophosphite
  • 28351020 — Phosphinates (hypophosphites) and phosphonates (phosphites) — magnesium hypophosphite
  • 28351090 — Phosphinates (hypophosphites) and phosphonates (phosphites) — other
  • 28352200 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined — of mono-or disodium — of mono-or disodium
  • 28352300 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined - phosphates : of trisodium
  • 28352400 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined — of potassium — of potassium
  • 28352500 — Calcium hydrogenorthophosphate (dicalcium phosphate)
  • 28352610 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined — other phosphates of calcium — calcium monobasic phosphate
  • 28352620 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined — other phosphates of calcium — calcium tribasic phosphate
  • 28352690 — Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates, polyphosphates whether or not chemically defined — other phosphates of calcium — other

Frequently asked questions

The GST rate under 28353100 depends on the specific item and applicable notifications. Check the classification with our HSN code finder and confirm the rate before invoicing.
Businesses with annual aggregate turnover of ₹5 crore or more must report at least 6 digits on e-invoices and e-way bills; below ₹5 crore, 4 digits is the B2B minimum. Exports require 8 digits.
Every line item on a GST tax invoice carries its HSN code alongside the description, quantity, taxable value, and tax breakup. The code also flows into your GSTR-1 HSN summary and e-way bills.

Related tools & guides

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